Zhejiang Xinhai Valve Manufacturing Co., Ltd. - Produkte
Wafer Hard Seal Butterfly Valves Sale
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899 USD
Three eccentric structure: between the stem axis and disc sealing surface offset a size A, and with the axis of the valve channel offset a size B, seat rotation axis and the axis of the body to form an eccentric path angle α, so the formation of three eccentric . When the butterfly valve from 0 ° ~ 90 ° to open, the sealing surface of the disc will be turned off immediately at the moment the valve seat sealing surface, when it is 90 ° ~ 0 ° off, only at the moment of closing, the conical sealing surface of the disc will contact and pressed conical valve seat seal. So between the sealing surface of the valve seat and no butterfly board any friction, wear, and in addition to the possibility of leaks.
Wafer Hard Seal Butterfly Valves with three eccentric multi-level metal seal structure, no mechanical wear, can achieve zero leakage, there is an excellent two-way sealing function is used in petroleum, chemical, metallurgy, electric power, food, medicine, water, gas delivery different media, such as the pipeline for regulating the flow, cut off or turn on the best means of fluid. Use of different materials, can be separately applied to water, sewage, water, air, steam, gas, flammable gas, corrosive media, oil and food, and other media, the maximum operating temperature up to 600 ¿. View Product link:http://www.xhvalves.com/wafer-hard-seal-butterfly-valve.html